1 files changed, 177 insertions, 0 deletions
diff --git a/kpovmodeler/pmpovrayrenderwidget.h b/kpovmodeler/pmpovrayrenderwidget.h
new file mode 100644
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+++ b/kpovmodeler/pmpovrayrenderwidget.h
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+/*
+**************************************************************************
+                                 description
+                             --------------------
+    copyright            : (C) 2001-2002 by Andreas Zehender
+    email                : [email protected]
+**************************************************************************
+
+**************************************************************************
+*                                                                        *
+*  This program is free software; you can redistribute it and/or modify  *
+*  it under the terms of the GNU General Public License as published by  *
+*  the Free Software Foundation; either version 2 of the License, or     *
+*  (at your option) any later version.                                   *
+*                                                                        *
+**************************************************************************/
+
+#ifndef PMPOVRAYRENDERWIDGET_H
+#define PMPOVRAYRENDERWIDGET_H
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+
+#include <qwidget.h>
+#include <qcstring.h>
+#include <qimage.h>
+#include <qbuffer.h>
+#include <qstringlist.h>
+
+#include "pmrendermode.h"
+#include "pmdragwidget.h"
+
+class KProcess;
+class KConfig;
+class KURL;
+class KTempFile;
+
+/**
+ * Widget that calls povray to render a scene and
+ * displays the output.
+ */
+class PMPovrayRenderWidget : public PMDragWidget
+{
+   Q_OBJECT
+public:
+   /**
+    * Standard constructor
+    */
+   PMPovrayRenderWidget( QWidget* parent = 0, const char* name = 0 );
+   /**
+    * destructor
+    */
+   virtual ~PMPovrayRenderWidget( );
+
+   /**
+    * Starts rendering for the povray code in the byte array with
+    * render mode m.
+    * @see PMRenderMode
+    */
+   bool render( const QByteArray& scene, const PMRenderMode& m,
+                const KURL& documentURL );
+
+   /**
+    * Returns the povray text output
+    */
+   QString povrayOutput( ) const { return m_povrayOutput; }
+   /**
+    * Returns the rendered image
+    */
+   QImage image( ) const { return m_image; }
+   
+   static void saveConfig( KConfig* cfg );
+   static void restoreConfig( KConfig* cfg );
+
+   /**
+    * Returns the povray command
+    */
+   static QString povrayCommand( ) { return s_povrayCommand; }
+   /**
+    * Sets the povray command
+    */
+   static void setPovrayCommand( const QString& c ) { s_povrayCommand = c; }
+   /**
+    * Returns the library paths
+    */
+   static QStringList povrayLibraryPaths( ) { return s_libraryPaths; }
+   /**
+    * Sets the library paths
+    */
+   static void setPovrayLibraryPaths( const QStringList& slist )
+   { s_libraryPaths = slist; }
+   virtual QSize sizeHint( ) const;
+
+   virtual void startDrag( );
+signals:
+   /**
+    * Emitted when rendering has finished
+    */
+   void finished( int exitStatus );
+   /**
+    * Provides progress information
+    */
+   void progress( int percent );
+   /**
+    * Provides progress imformation
+    */
+   void lineFinished( int line );
+   /**
+    * The povray output text
+    */
+   void povrayMessage( const QString& msg );
+   
+public slots:
+   /**
+    * Kills rendering
+    */
+   void killRendering( );
+   /**
+    * Suspends rendering
+    */
+   void suspendRendering( );
+   /**
+    * Resumes rendering
+    */
+   void resumeRendering( );
+
+protected slots:
+   /**
+    * Receive povray messages
+    */
+   void slotPovrayMessage( KProcess* proc, char* buffer, int buflen );
+   /**
+    * Receive rendered image
+    */
+   void slotPovrayImage( KProcess* proc, char* buffer, int buflen );
+   /**
+    * Called when output has been written to the povray process
+    */
+   //void slotWroteStdin( KProcess* proc );
+   /**
+    * Called when the process has finished
+    */
+   void slotRenderingFinished( KProcess* proc );
+   
+protected:
+   virtual void paintEvent( QPaintEvent* );
+      
+private:
+   void setPixel( int x, int y, uint c );
+   void cleanup( );
+   
+   KProcess* m_pProcess;
+   bool m_bSuspended;
+   PMRenderMode m_renderMode;
+   QImage m_image;
+   bool m_rcvHeader;
+   unsigned char m_header[18];
+   int m_rcvHeaderBytes;
+   int m_skipBytes;
+   int m_bytespp;
+   int m_rcvPixels;
+   int m_progress;
+   unsigned char m_restBytes[4];
+   int m_numRestBytes;
+   int m_line;
+   int m_column;
+   QPixmap m_pixmap;
+   bool m_bPixmapUpToDate;
+   QString m_povrayOutput;
+   KTempFile* m_pTempFile;
+
+   static QString s_povrayCommand;
+   static QStringList s_libraryPaths;
+};
+
+#endif